:root {
  --bg: #ffffff;
  --fg: #14171f;
  --muted: #5b6270;
  --line: #e3e6ec;
  --accent: #0b5fff;
  --card: #f6f7fa;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1017;
    --fg: #e8eaf0;
    --muted: #9aa2b1;
    --line: #232836;
    --accent: #6ea0ff;
    --card: #151a24;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header.site {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 0; border-bottom: 1px solid var(--line);
}
.logo { font: 700 1.1rem ui-monospace, "Cascadia Code", Consolas, monospace; color: var(--fg); text-decoration: none; }
.logo span { color: var(--accent); }
nav a { margin-left: 18px; color: var(--muted); text-decoration: none; font-size: .95rem; }
nav a:hover { color: var(--fg); }
.hero { padding: 72px 0 48px; }
.eyebrow { font: .85rem ui-monospace, Consolas, monospace; color: var(--accent); letter-spacing: .04em; }
h1 { font-size: clamp(2rem, 6vw, 3rem); line-height: 1.15; margin: 8px 0 16px; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 58ch; margin: 0 0 28px; }
.btn {
  display: inline-block; padding: 10px 18px; border-radius: 8px;
  background: var(--accent); color: #fff; text-decoration: none; font-weight: 600; margin-right: 10px;
}
.btn.ghost { background: transparent; color: var(--fg); border: 1px solid var(--line); }
section { padding: 40px 0; border-top: 1px solid var(--line); }
h2 { font-size: 1.3rem; margin: 0 0 18px; }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
.card h3 { margin: 0 0 6px; font-size: 1rem; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.tag { display: inline-block; font: .75rem ui-monospace, Consolas, monospace; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 2px 8px; margin-top: 10px; }
footer { padding: 28px 0 48px; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }

a.card { display: block; color: inherit; text-decoration: none; }
a.card:hover { border-color: var(--accent); }
a.card:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.tag.draft { color: var(--accent); border-color: var(--accent); }

/* Blog posts */
article { padding: 40px 0 24px; }
article h1 { font-size: clamp(1.7rem, 5vw, 2.3rem); margin-bottom: 8px; }
article h2 { margin-top: 36px; }
article .meta { color: var(--muted); font-size: .9rem; margin: 0 0 28px; }
article p, article li { max-width: 68ch; }
article code { font: .9em ui-monospace, "Cascadia Code", Consolas, monospace; background: var(--card); border: 1px solid var(--line); border-radius: 4px; padding: 1px 5px; }
article pre { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; overflow-x: auto; }
article pre code { background: none; border: 0; padding: 0; }
.note { background: var(--card); border-left: 3px solid var(--accent); border-radius: 4px; padding: 10px 14px; color: var(--muted); }
.back { display: inline-block; margin: 24px 0 0; font-size: .95rem; }